Description

1,3,2-Dioxaborolane, 2,2'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Bis[4,4,5,5-Tetramethyl] is a high-purity, bifunctional boronic ester monomer, a critical building block in advanced organic synthesis. Its value lies in its role as a key precursor for constructing complex organic electronic materials and functional polymers via cross-coupling reactions. This compound is essential for R&D and production in the fields of organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other semiconductor applications.

Application

• Organic Electronics: As a core monomer in Suzuki-Miyaura cross-coupling reactions for synthesizing conjugated polymers and small molecules used in OLED emitters, host materials, and OPV active layers.
• Material Science: Building block for the creation of novel fluorene-based polymers and copolymers with tailored optoelectronic properties.
• Pharmaceutical Intermediates: Used in the synthesis of complex, boron-containing drug candidates and bioactive molecules.
• Chemical Research: A versatile reagent for academic and industrial research in developing new catalytic systems and organic transformations.
• Liquid Crystal & Sensor Materials: Precursor for materials requiring rigid, planar fluorene backbones with precise functionalization.

Basic Information

Product Name	1,3,2-Dioxaborolane, 2,2'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Bis[4,4,5,5-Tetramethyl]
CAS No.	325129-69-9
Molecular Formula	C31H44B2O4
Molecular Weight	526.30 g/mol
Synonyms	9,9-Dimethyl-9H-fluorene-2,7-diyldiboronic acid bis(pinacol) ester; 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dimethylfluorene; 9,9-Dimethylfluorene-2,7-diboronic acid pinacol ester; 2,7-Di(1,3,2-dioxaborolan-2-yl)-9,9-dimethylfluorene; 2,7-Bis(pinacolatoboryl)-9,9-dimethylfluorene; 2,7-Diboronic acid pinacol ester-9,9-dimethylfluorene; Fluorene-2,7-diboronic acid bis(1,1,2,2-tetramethylethylene glycol) ester (9,9-dimethyl substituted)
EINECS	Contact for details

Quality Control

Our 1,3,2-Dioxaborolane, 2,2'-(9,9-Dimethyl-9H-Fluorene-2,7-Diyl)Bis[4,4,5,5-Tetramethyl] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency suitable for sensitive electronic and pharmaceutical applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (argon or nitrogen) after opening to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.